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<title>DP Economics: Unit 2.2: Supply theory</title>
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style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35118/unit-2111-market-power-theory-of-production-and-costs-hl.html" title="Unit 2.11(1) Market power - Theory of production and costs (HL)">Unit 2.11(1) Market power - Theory of production and costs (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35125/unit-2112-market-power-perfect-competitionhl.html" title="Unit 2.11(2) Market power - Perfect competition(HL)">Unit 2.11(2) Market power - Perfect competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35147/unit-2113-market-power-monopolyhl.html" title="Unit 2.11(3) Market power - Monopoly(HL)">Unit 2.11(3) Market power - Monopoly(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35151/unit-2114-market-power-monopolistic-competitionhl.html" title="Unit 2.11(4) Market power - Monopolistic competition(HL)">Unit 2.11(4) Market power - Monopolistic competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35153/unit-2115-market-power-oligopolyhl.html" title="Unit 2.11(5) Market power - Oligopoly(HL)">Unit 2.11(5) Market power - Oligopoly(HL)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../41603/economics-real-world-examples-and-extension-material-.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43378/opportunity-cost-and-production-possibility-curves.html" title="Opportunity cost and production possibility curves">Opportunity cost and production possibility curves</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42559/demand-theory.html" title="Demand theory">Demand theory</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41886/the-price-mechanism.html" title="The price mechanism">The price mechanism</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43188/market-demand-and-supply.html" title="Market demand and supply">Market demand and supply</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41705/demerit-goods.html" title="Demerit goods">Demerit goods</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42275/market-failure-and-climate-change.html" title="Market failure and climate change">Market failure and climate change</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42925/market-power.html" title="Market power">Market power</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42099/applying-game-theory.html" title="Applying game theory">Applying game theory</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../34407/chapter-3-macroeconomics.html" title="Chapter 3: Macroeconomics">Chapter 3: Macroeconomics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34355/unit-311-measuring-the-level-of-economic-activity.html" title="Unit 3.1(1): Measuring the level of economic activity">Unit 3.1(1): Measuring the level of economic activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34432/unit-312-measuring-economic-development.html" title="Unit 3.1(2): Measuring Economic Development">Unit 3.1(2): Measuring Economic Development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34485/unit-321-variations-in-economic-activity-aggregate-demand-ad-.html" title="Unit 3.2(1): Variations in economic activity - aggregate demand (AD) ">Unit 3.2(1): Variations in economic activity - aggregate demand (AD) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34487/unit-322-variations-in-economic-activity-aggregate-supplyas.html" title="Unit 3.2(2): Variations in economic activity - aggregate supply(AS)">Unit 3.2(2): Variations in economic activity - aggregate supply(AS)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34758/unit-331-macroeconomic-objectives-economic-growth.html" title="Unit 3.3(1) Macroeconomic objectives: economic growth">Unit 3.3(1) Macroeconomic objectives: economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34771/unit-332-macroeconomic-objectives-unemployment-.html" title="Unit 3.3(2) Macroeconomic objectives: unemployment ">Unit 3.3(2) Macroeconomic objectives: unemployment </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34778/unit-333-macroeconomic-objectives-inflation-and-deflation--1.html" title="Unit 3.3(3) Macroeconomic objectives: inflation and deflation ">Unit 3.3(3) Macroeconomic objectives: inflation and deflation </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34925/unit-341-economics-of-inequality-and-poverty-1.html" title="Unit 3.4(1) Economics of inequality and poverty">Unit 3.4(1) Economics of inequality and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34946/unit-342-policies-to-improve-equality-equity-and-poverty.html" title="Unit 3.4(2) Policies to improve equality, equity and poverty">Unit 3.4(2) Policies to improve equality, equity and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34993/unit-35-government-management-of-the-economy-monetary-policy-1.html" title="Unit 3.5 Government management of the economy – monetary policy">Unit 3.5 Government management of the economy – monetary policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../34962/unit-36-government-management-of-the-economy-fiscal-policy-1.html" title="Unit 3.6 Government management of the economy – fiscal policy">Unit 3.6 Government management of the economy – fiscal policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35017/unit-371-market-based-supply-side-policies--1.html" title="Unit 3.7(1) Market based supply-side policies ">Unit 3.7(1) Market based supply-side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35018/unit-372-interventionist-supply-side-policies-.html" title="Unit 3.7(2) Interventionist supply-side policies ">Unit 3.7(2) Interventionist supply-side policies </a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../45803/economics-real-world-examples-and-extension-material--1.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42639/measuring-economic-well-being-1.html" title="Measuring economic well-being">Measuring economic well-being</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43044/inflation.html" title="Inflation">Inflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../42350/inequality.html" title="Inequality">Inequality</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41639/inequity-1.html" title="Inequity">Inequity</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../35414/chapter-4-the-global-economy.html" title="Chapter 4: The Global Economy">Chapter 4: The Global Economy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35346/unit-41-benefits-of-international-trade-1.html" title="Unit 4.1 Benefits of international trade">Unit 4.1 Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35348/unit-4243-trade-protectionism-1.html" title="Unit 4.2/4.3 Trade protectionism">Unit 4.2/4.3 Trade protectionism</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35407/unit-44-economic-integration-.html" title="Unit 4.4 Economic integration ">Unit 4.4 Economic integration </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35409/unit-45-exchange-rates-1.html" title="Unit 4.5 Exchange rates">Unit 4.5 Exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35413/unit-46-balance-of-payments--1.html" title="Unit 4.6 Balance of payments ">Unit 4.6 Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35675/unit-47-sustainable-development.html" title="Unit 4.7 Sustainable development">Unit 4.7 Sustainable development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35685/unit-48-measuring-development--1.html" title="Unit 4.8 Measuring development ">Unit 4.8 Measuring development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35687/unit-49-barriers-to-economic-development-1.html" title="Unit 4.9 Barriers to economic development">Unit 4.9 Barriers to economic development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../35702/unit-410-economic-growth-and-economic-development-strategies.html" title="Unit 4.10: Economic growth and economic development strategies">Unit 4.10: Economic growth and economic development strategies</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../45804/economics-real-world-examples-and-extension-material-.html" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41927/foreign-currency-1.html" title="Foreign currency">Foreign currency</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43532/exchange-rates-1.html" title="Exchange rates">Exchange rates</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../43804/balance-of-payments.html" title="Balance of payments">Balance of payments</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../41796/economic-development-1.html" title="Economic development">Economic development</a></li></ul></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../20132/units-1-2-microeconomics.html" title="Units 1-2: Microeconomics">Units 1-2: Microeconomics</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 1: Introduction to economics">Unit 1: Introduction to economics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20091/introductory-activity-1.html" title="Introductory activity">Introductory activity</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20093/unit-11-scarcity-choice-and-opportunity-cost.html" title="Unit 1.1: Scarcity, choice and opportunity cost">Unit 1.1: Scarcity, choice and opportunity cost</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21647/factors-of-production-1.html" title="Factors of production">Factors of production</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20114/economic-systems.html" title="Economic systems">Economic systems</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20134/public-and-private-sectors-1.html" title="Public and private sectors">Public and private sectors</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28055/unit-12-economics-as-a-social-science-1.html" title="Unit 1.2: Economics as a social science">Unit 1.2: Economics as a social science</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29921/circular-flow-of-national-income.html" title="Circular flow of national income">Circular flow of national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29829/unit-1-review-terms-1.html" title="Unit 1: Review terms">Unit 1: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../41600/introduction-to-economics-crossword-1.html" title="Introduction to economics crossword">Introduction to economics crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../4331/unit-1-multiple-choice-quiz.html" title="Unit 1: Multiple choice quiz">Unit 1: Multiple choice quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20177/unit-21-23-competitive-markets-demand-and-supply-1.html" title="Unit 2.1-2.3: Competitive markets - demand and supply">Unit 2.1-2.3: Competitive markets - demand and supply</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28517/unit-21-demand-1.html" title="Unit 2.1: Demand">Unit 2.1: Demand</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22349/determinants-of-demand-1.html" title="Determinants of demand">Determinants of demand</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29949/unit-22-supply-.html" title="Unit 2.2: Supply ">Unit 2.2: Supply </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20184/changes-to-supply-and-demand-.html" title="Changes to supply and demand ">Changes to supply and demand </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21992/practise-exercises-1.html" title="Practise exercises">Practise exercises</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../26112/gold-exchange-game-demand-and-supply-1.html" title="Gold exchange game: Demand and supply">Gold exchange game: Demand and supply</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20194/unit-23-competitive-market-equilibrium-1.html" title="Unit 2.3: Competitive market equilibrium">Unit 2.3: Competitive market equilibrium</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20144/producer-and-consumer-surplus-1.html" title="Producer and consumer surplus">Producer and consumer surplus</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../22351/veblen-goods-and-super-luxury-goods-1.html" title="Veblen goods and super luxury goods">Veblen goods and super luxury goods</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../25677/are-cryptocurrencies-the-new-tulipmania.html" title="Are Cryptocurrencies the new Tulipmania?">Are Cryptocurrencies the new Tulipmania?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20472/unit-21-23-multiple-choice-quiz.html" title="Unit 2.1-2.3: Multiple choice quiz">Unit 2.1-2.3: Multiple choice quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20113/unit-24-consumer-and-producer-behaviour-hl-only-1.html" title="Unit 2.4: Consumer and producer behaviour (HL only)">Unit 2.4: Consumer and producer behaviour (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../36073/behavioural-economics-consumer-biases-nudge-theory-hl-only-1.html" title="Behavioural economics: Consumer biases / nudge theory (HL only)">Behavioural economics: Consumer biases / nudge theory (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20378/business-objectives-hl-only.html" title="Business objectives (HL only)">Business objectives (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28741/unit-21-24-review-terms--1.html" title="Unit 2.1-2.4: Review terms ">Unit 2.1-2.4: Review terms </a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20195/unit-25-26-elasticity-1.html" title="Unit 2.5-2.6: Elasticity">Unit 2.5-2.6: Elasticity</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../28713/unit-25-price-elasticity-of-demand-1.html" title="Unit 2.5: Price elasticity of demand">Unit 2.5: Price elasticity of demand</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21545/determinants-of-price-elasticity-.html" title="Determinants of price elasticity ">Determinants of price elasticity </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21532/ped-elasticity-and-sales-revenue.html" title="PED elasticity and sales revenue?">PED elasticity and sales revenue?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21259/unit-25-income-elasticity-of-demand-yed.html" title="Unit 2.5: Income elasticity of demand (YED)">Unit 2.5: Income elasticity of demand (YED)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21200/unit-26-price-elasticity-of-supply.html" title="Unit 2.6: Price elasticity of supply">Unit 2.6: Price elasticity of supply</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20207/perfectly-elastic-inelastic-supply-curves.html" title="Perfectly elastic / inelastic supply curves">Perfectly elastic / inelastic supply curves</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20230/a-mathematical-note-about-elasticity-.html" title="A mathematical note about elasticity ">A mathematical note about elasticity </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39037/demand-and-supply-crossword.html" title="Demand and supply crossword">Demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29021/unit-25-26-review-terms-1.html" title="Unit 2.5-2.6: Review terms">Unit 2.5-2.6: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20474/unit-25-26-multiple-choice-quiz--1.html" title="Unit 2.5-2.6: Multiple choice quiz ">Unit 2.5-2.6: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44474/unit-21-25-competitive-markets-quiz-1.html" title="Unit 2.1- 2.5: Competitive markets quiz">Unit 2.1- 2.5: Competitive markets quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20243/unit-27-the-role-of-government-in-microeconomics--1.html" title="Unit 2.7: The role of government in microeconomics ">Unit 2.7: The role of government in microeconomics </a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../26590/indirect-taxation.html" title="Indirect taxation">Indirect taxation</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20246/ped-and-the-burden-of-tax-hl-only-.html" title="PED and the burden of tax (HL only) ">PED and the burden of tax (HL only) </a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20277/government-subsidies--1.html" title="Government subsidies ">Government subsidies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29117/unit-27-indirect-tax-and-subsidy-review-terms-1.html" title="Unit 2.7: Indirect tax and subsidy review terms">Unit 2.7: Indirect tax and subsidy review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20287/price-controls-maximum-price--1.html" title="Price controls − maximum price ">Price controls − maximum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20288/minimum-price-.html" title="Minimum price ">Minimum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21540/minimum-wage-.html" title="Minimum wage ">Minimum wage </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../38849/labour-market-crossword-1.html" title="Labour market crossword">Labour market crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29260/unit-27-price-controls-review-terms-1.html" title="Unit 2.7: Price controls review terms">Unit 2.7: Price controls review terms</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20303/unit-28-210-market-failure--1.html" title="Unit 2.8-2.10: Market failure ">Unit 2.8-2.10: Market failure </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21543/unit-28-merit-goods--1.html" title="Unit 2.8: Merit goods ">Unit 2.8: Merit goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../23123/unit-28-demerit-goods-negative-externalities-1.html" title="Unit 2.8: Demerit goods / negative externalities">Unit 2.8: Demerit goods / negative externalities</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../38850/market-failure-crossword-1.html" title="Market failure crossword">Market failure crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29262/unit-29-economics-of-the-environment-and-public-goods--1.html" title="Unit 2.9: Economics of the environment and public goods ">Unit 2.9: Economics of the environment and public goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20332/unit-210-asymmetric-information-hl-only-1.html" title="Unit 2.10: Asymmetric information (HL only)">Unit 2.10: Asymmetric information (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29828/unit-28-210-market-failure-review-sheet.html" title="Unit 2.8-2.10: Market failure review sheet">Unit 2.8-2.10: Market failure review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29827/unit-28-210-market-failure-review-terms.html" title="Unit 2.8-2.10: Market failure review terms">Unit 2.8-2.10: Market failure review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20479/unit-27-210-multiple-choice-quiz--1.html" title="Unit 2.7-2.10: Multiple choice quiz ">Unit 2.7-2.10: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44501/unit-27-210-government-failure-revision-quiz-1.html" title="Unit 2.7-2.10 Government failure revision quiz">Unit 2.7-2.10 Government failure revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20330/unit-211-market-power-hl-only-1.html" title="Unit 2.11: Market power (HL only)">Unit 2.11: Market power (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29835/assessment-map.html" title="Assessment map">Assessment map</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21528/production-hl-only.html" title="Production (HL only)">Production (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29978/revenue-theory-hl-only.html" title="Revenue theory (HL only)">Revenue theory (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20357/costs-of-production-hl-only.html" title="Costs of production (HL only)">Costs of production (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21286/economies-and-diseconomies-of-scale-hl-only.html" title="Economies and diseconomies of scale (HL only)">Economies and diseconomies of scale (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22494/long-run-average-cost-curves-hl-only.html" title="Long run average cost curves (HL only)">Long run average cost curves (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../29838/breakeven-hl-only.html" title="Breakeven (HL only)">Breakeven (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20340/economic-profit-hl-only.html" title="Economic profit (HL only)">Economic profit (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39082/market-power-crossword.html" title="Market power crossword">Market power crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../22495/revision-exercise-on-cost-and-revenue-hl-only.html" title="Revision exercise on cost and revenue (HL only)">Revision exercise on cost and revenue (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29845/unit-211-costs-revenue-and-profit-review-sheet-hl-only.html" title="Unit 2.11: Costs, revenue and profit review sheet (HL only)">Unit 2.11: Costs, revenue and profit review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44484/unit-211-multiple-choice-quiz-sl-units-1.html" title="Unit 2.11: Multiple choice quiz (SL units)">Unit 2.11: Multiple choice quiz (SL units)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29846/market-structures-hl-only-1.html" title="Market structures (HL only)">Market structures (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29981/perfect-competition-hl-only-1.html" title="Perfect competition (HL only)">Perfect competition (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../24486/profit-in-perfect-competition-hl-only-1.html" title="Profit in perfect competition (HL only)">Profit in perfect competition (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21302/efficiency-in-perfect-competition-hl-only.html" title="Efficiency in perfect competition (HL only)">Efficiency in perfect competition (HL only)</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20430/monopoly-hl-only-1.html" title="Monopoly (HL only)">Monopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../24529/profit-and-revenue-maximisation-in-monopoly-hl-only-1.html" title="Profit and revenue maximisation in monopoly (HL only)">Profit and revenue maximisation in monopoly (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21306/a-comparison-of-monopoly-and-perfect-competition-hl-only-1.html" title="A comparison of monopoly and perfect competition? (HL only)">A comparison of monopoly and perfect competition? (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20435/monopolistic-competition-hl-only-1.html" title="Monopolistic competition (HL only)">Monopolistic competition (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20436/oligopoly-hl-only-1.html" title="Oligopoly (HL only)">Oligopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../22310/game-theory-hl-only-1.html" title="Game theory (HL only)">Game theory (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29918/unit-211-market-structures-review-sheet-hl-only-1.html" title="Unit 2.11: Market structures review sheet (HL only)">Unit 2.11: Market structures review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32337/unit-211-diagram-revision-.html" title="Unit 2.11: Diagram revision ">Unit 2.11: Diagram revision </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20480/unit-211-multiple-choice-quiz-hl-only-1.html" title="Unit 2.11: Multiple choice quiz (HL only)">Unit 2.11: Multiple choice quiz (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32425/unit-212-the-markets-inability-to-achieve-equity-hl-only-1.html" title="Unit 2.12: The market’s inability to achieve equity (HL only)">Unit 2.12: The market’s inability to achieve equity (HL only)</a></li></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21842/unit-3-macroeconomics-.html" title="Unit 3: Macroeconomics ">Unit 3: Macroeconomics </a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../3942/unit-31-measuring-economic-activity-and-illustrating-its-variati-1.html" title="Unit 3.1: Measuring economic activity and illustrating its variations">Unit 3.1: Measuring economic activity and illustrating its variations</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20558/calculating-national-income-1.html" title="Calculating national income">Calculating national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21297/gdp-gni-as-a-measure-of-living-standards.html" title="GDP / GNI as a measure of living standards">GDP / GNI as a measure of living standards</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20567/national-income-statistics-1.html" title="National income statistics">National income statistics</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21580/the-business-cycle-1.html" title="The business cycle">The business cycle</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29931/unit-31-economic-activity-review-sheet-1.html" title="Unit 3.1: Economic activity review sheet">Unit 3.1: Economic activity review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20592/unit-32-variations-in-economic-activityaggregate-demand-and-aggr-1.html" title="Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply">Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../29933/aggregate-demand-and-supply.html" title="Aggregate demand and supply">Aggregate demand and supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21582/components-of-aggregate-demand-1.html" title="Components of aggregate demand">Components of aggregate demand</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20634/equilibrium-in-macroeconomics-neo-classical-perspective-1.html" title="Equilibrium in macroeconomics (neo-classical perspective)">Equilibrium in macroeconomics (neo-classical perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20439/equilibrium-in-macroeconomics-keynesian-perspective-1.html" title="Equilibrium in macroeconomics (keynesian perspective)">Equilibrium in macroeconomics (keynesian perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21349/john-maynard-keynes-1.html" title="John Maynard Keynes">John Maynard Keynes</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20650/keynesian-v-free-market-debate--1.html" title="Keynesian v free market debate ">Keynesian v free market debate </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21342/changes-in-the-long-run-aggregate-supply-1.html" title="Changes in the long run aggregate supply">Changes in the long run aggregate supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30055/unit-32-aggregate-demand-and-supply-review-sheet-1.html" title="Unit 3.2: Aggregate demand and supply review sheet">Unit 3.2: Aggregate demand and supply review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20610/unit-35-and-36-demand-management-fiscal-and-monetary-policy-1.html" title="Unit 3.5 and 3.6: Demand management - fiscal and monetary policy">Unit 3.5 and 3.6: Demand management - fiscal and monetary policy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30058/government-budget.html" title="Government budget">Government budget</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21585/fiscal-policy--1.html" title="Fiscal policy ">Fiscal policy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21343/multiplier-hl-only.html" title="Multiplier (HL only)">Multiplier (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21795/monetary-policy--1.html" title="Monetary policy ">Monetary policy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30071/independent-central-banks-1.html" title="Independent central banks">Independent central banks</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30083/unit-35-and-36-review-sheet.html" title="Unit 3.5 and 3.6 review sheet">Unit 3.5 and 3.6 review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20615/unit-37-supply-side-policies-1.html" title="Unit 3.7: Supply side policies">Unit 3.7: Supply side policies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20651/the-role-of-supply-side-policies-1.html" title="The role of supply side policies">The role of supply side policies</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20622/market-based-and-interventionist-supply-side-policies--1.html" title="Market based and interventionist supply side policies ">Market based and interventionist supply side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39129/aggregate-demand-and-supply-crossword-1.html" title="Aggregate demand and supply crossword">Aggregate demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30086/unit-37-review-sheet-1.html" title="Unit 3.7: Review sheet">Unit 3.7: Review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20755/unit-31-32-and-35-37-multiple-choice-quiz--1.html" title="Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz ">Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz </a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../44522/unit-31-32-and-35-37-revision-quiz-1.html" title="Unit 3.1-3.2 and 3.5-3.7: Revision quiz">Unit 3.1-3.2 and 3.5-3.7: Revision quiz</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20686/unit-33-macroeconomic-objectives.html" title="Unit 3.3: Macroeconomic objectives">Unit 3.3: Macroeconomic objectives</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30118/unemployment.html" title="Unemployment">Unemployment</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21351/types-of-unemployment.html" title="Types of unemployment?">Types of unemployment?</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21593/equilibrium-unemployment-.html" title="Equilibrium unemployment ">Equilibrium unemployment </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../21594/disequilibrium-unemployment-1.html" title="Disequilibrium unemployment">Disequilibrium unemployment</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../30458/unemployment-review-sheet-1.html" title="Unemployment review sheet">Unemployment review sheet</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20713/inflation--1.html" title="Inflation ">Inflation </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20712/measuring-inflation-hl-only-1.html" title="Measuring inflation (HL only)">Measuring inflation (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../20685/costs-of-inflation-and-deflation-1.html" title="Costs of inflation and deflation">Costs of inflation and deflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="../30465/inflation-review-sheet.html" title="Inflation review sheet">Inflation review sheet</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20716/unemployment-v-inflation-trade-off-hl-only-1.html" title="Unemployment v inflation trade off (HL only)">Unemployment v inflation trade off (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../39133/macroeconomic-objectives-crossword-1.html" title="Macroeconomic objectives crossword">Macroeconomic objectives crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../44511/unit-33-macroeconomic-indicators-revision-quiz-1.html" title="Unit 3.3: Macroeconomic indicators revision quiz">Unit 3.3: Macroeconomic indicators revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20741/unit-34-economics-of-inequality-and-poverty-1.html" title="Unit 3.4: Economics of inequality and poverty">Unit 3.4: Economics of inequality and poverty</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32398/inequality-1.html" title="Inequality">Inequality</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21356/the-role-of-spending-and-taxation-on-inequality--1.html" title="The role of spending and taxation on inequality ">The role of spending and taxation on inequality </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21313/consequences-of-economic-growth-1.html" title="Consequences of economic growth">Consequences of economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30257/economic-growth-and-inequality-review-sheet-1.html" title="Economic growth and inequality review sheet">Economic growth and inequality review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20756/unit-33-34-multiple-choice-.html" title="Unit 3.3-3.4: Multiple choice ">Unit 3.3-3.4: Multiple choice </a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21844/unit-4-global-economy.html" title="Unit 4: Global economy">Unit 4: Global economy</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../21367/unit-41-benefits-of-international-trade.html" title="Unit 4.1: Benefits of international trade">Unit 4.1: Benefits of international trade</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30529/benefits-of-international-trade.html" title="Benefits of international trade">Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20823/absolute-and-comparative-advantage-hl-only-1.html" title="Absolute and comparative advantage (HL only)">Absolute and comparative advantage (HL only)</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20845/unit-42-43-trade-protection-1.html" title="Unit 4.2-4.3: Trade protection">Unit 4.2-4.3: Trade protection</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32419/barriers-to-trade-calculations-are-hl-only-1.html" title="Barriers to trade (calculations are HL only)">Barriers to trade (calculations are HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21610/case-study-on-tata-steel-1.html" title="Case study on Tata Steel">Case study on Tata Steel</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../23455/the-defence-industry-1.html" title="The Defence industry">The Defence industry</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30610/unit-41-43-review-sheet-1.html" title="Unit 4.1-4.3: Review sheet">Unit 4.1-4.3: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20894/unit-44-economic-integration--1.html" title="Unit 4.4: Economic integration ">Unit 4.4: Economic integration </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30634/economic-integration-some-hl-tasks-1.html" title="Economic integration (some HL tasks)">Economic integration (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20840/world-trade-organisation-wto-1.html" title="World trade organisation (WTO)">World trade organisation (WTO)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30635/unit-44-review-sheet-1.html" title="Unit 4.4: Review sheet">Unit 4.4: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20853/unit-45-exchange-rates-1.html" title="Unit 4.5: Exchange rates">Unit 4.5: Exchange rates</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30611/floating-exchange-rates-1.html" title="Floating exchange rates">Floating exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../31824/fixed-managed-exchange-rate-systems-some-hl-tasks-1.html" title="Fixed / managed exchange rate systems (some HL tasks)">Fixed / managed exchange rate systems (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21624/the-market-for-foreign-exchange-1.html" title="The market for foreign exchange">The market for foreign exchange</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30614/unit-45-review-sheet-1.html" title="Unit 4.5: Review sheet">Unit 4.5: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20859/unit-46-balance-of-payments-1.html" title="Unit 4.6: Balance of payments">Unit 4.6: Balance of payments</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30624/balance-of-payments--1.html" title="Balance of payments ">Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21386/current-account-hl-only-1.html" title="Current account (HL only)">Current account (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20872/the-marshall-lerner-condition-j-curve-hl-only-1.html" title="The Marshall-Lerner condition / J curve (HL only)">The Marshall-Lerner condition / J curve (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20899/units-41-46-multiple-choice-quiz--1.html" title="Units 4.1-4.6: Multiple choice quiz ">Units 4.1-4.6: Multiple choice quiz </a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../42989/unit-41-46-multiple-choice-quiz-ii-1.html" title="Unit 4.1-4.6: Multiple choice quiz II">Unit 4.1-4.6: Multiple choice quiz II</a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../39438/unit-41-46-international-trade-crossword-1.html" title="Unit 4.1-4.6: International trade crossword">Unit 4.1-4.6: International trade crossword</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32423/unit-47-sustainable-development--1.html" title="Unit 4.7: Sustainable development ">Unit 4.7: Sustainable development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../26092/water-scarcity-activity-1.html" title="Water scarcity activity">Water scarcity activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../32426/sustainable-development.html" title="Sustainable development">Sustainable development</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../20928/unit-48-measuring-development--1.html" title="Unit 4.8: Measuring development ">Unit 4.8: Measuring development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30686/measuring-development-1.html" title="Measuring development">Measuring development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21627/economic-development--1.html" title="Economic development ">Economic development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30679/unit-47-48-review-sheet.html" title="Unit 4.7-4.8: Review sheet">Unit 4.7-4.8: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 4.9: Barriers to development">Unit 4.9: Barriers to development</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30727/barriers-to-development-in-international-trade-1.html" title="Barriers to development in International trade">Barriers to development in International trade</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32430/unit-410-economic-growth-andor-economic-development-strategies-1.html" title="Unit 4.10: Economic growth and/or economic development strategies">Unit 4.10: Economic growth and/or economic development strategies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30687/the-role-of-domestic-factors-1.html" title="The role of domestic factors">The role of domestic factors</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30688/the-role-of-international-trade-and-development-1.html" title="The role of international trade and development">The role of international trade and development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30689/the-role-of-foreign-direct-investment-fdi-1.html" title="The role of foreign direct investment (FDI)">The role of foreign direct investment (FDI)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../25240/the-role-of-foreign-aid--1.html" title="The role of foreign aid ">The role of foreign aid </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30819/multilateral-development-assistance-1.html" title="Multilateral development assistance">Multilateral development assistance</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21632/the-role-of-international-debt-1.html" title="The role of international debt">The role of international debt</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../25242/the-balance-between-markets-and-intervention-1.html" title="The balance between markets and intervention">The balance between markets and intervention</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../30926/unit-49-410-review-sheet.html" title="Unit 4.9 - 4.10: Review sheet">Unit 4.9 - 4.10: Review sheet</a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../21380/assessment.html" title="Assessment">Assessment</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Internal assessment ">Internal assessment </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../20608/how-to-write-your-ia-student-handout.html" title="How to write your IA? (student handout)">How to write your IA? (student handout)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../21428/how-to-interpret-the-assessment-criteria-1.html" title="How to interpret the assessment criteria?">How to interpret the assessment criteria?</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Grading practise ">Grading practise </a></li><ul class="level-3 "><li class=" parent" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Sample 3a">Sample 3a</a></li><ul class="level-4 "><li class="" style="padding-left: 56px"><i class="expander fa fa-caret-right "></i><a class="" href="../32083/sample-3b-1.html" title="Sample 3b">Sample 3b</a></li></ul></ul></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../32022/assessment-markbands-1.html" title="Assessment markbands">Assessment markbands</a></li></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="../4332/exam-style-questions.html" title="Exam style questions">Exam style questions</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Paper 1 style examination questions">Paper 1 style examination questions</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="../40100/unit-211-212-questions.html" title="Unit 2.11-2.12 questions">Unit 2.11-2.12 questions</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="../45102/paper-1-guidance-on-essay-writing-1.html" title="Paper 1 guidance on essay writing">Paper 1 guidance on essay writing</a></li></ul></ul></nav> </div> </div> </div> </div><div style="margin-top: 20px;"><style type="text/css">
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<div id="main-column" class="span9"> <article id="unit-22-supply-theory" style="margin-top: 16px;">
<h1 class="section-title">Unit 2.2: Supply theory</h1>
<ul class="breadcrumb"><li><a title="Home" href="../../../economics.html"><i class="fa fa-home"></i></a><span class="divider">/</span></li><li><span class="gray">Textbook</span><span class="divider">/</span></li><li><span class="gray">Chapter 2: Microeconomics</span><span class="divider">/</span></li><li><span class="active">Unit 2.2: Supply theory</span></li></ul>
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<div class="intro-card"><div class="bg-cover" style="background-image: url("/media/ib/economics/images/textbook/introduction/cover-for-chapter2.jpg");"></div><img src="../../../ib/economics/images/textbook/introduction/cover-for-chapter2.jpg" style="display: none"><div class="content"><p class="text">In this chapter, we examine the way supply affects the allocation of resources in the economy. Supply is the resource element of the central economic problem of scarcity and the allocation of the factors of production is based on the supply decisions made by businesses. The central theme of this section is to analyse the price and non-price factors that affect supply decisions made by the different producers on the supply side of the economy.</p></div></div><div class="box"><div class="panel panel-has-footer" style="box-shadow: rgba(17, 0, 51, 0.3) 0px 10px 30px -15px; border-color: rgb(61, 30, 128);"><div class="panel-heading" style="background-color: rgb(61, 30, 128);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><h3><strong>What you should know by the end of this chapter:</strong></h3></div></div></div><ul><li>Law of supply<strong><img alt="" height="212" src="../../../ib/economics/images/textbook/market-theory/joanna2(1).jpg" style="float: right;" width="394"></strong></li><li>Assumptions underlying the law of supply </li><li>Supply curve</li><li>Relationship between an individual producer’s supply and market supply</li><li>Movements along and shifts of the supply curve</li><li>Non-price determinants of supply</li></ul></div><div class="greyBg"><h3>Revision material</h3><p><img alt="" src="../../../ib/economics/images/textbook/revision-material/logo.jpg" style="width: 200px; height: 95px; float: left;">The link to the attached pdf is revision material from <strong>Unit 2.2: Supply theory. </strong>The revision material can be downloaded as a student handout.</p><p><a href="../../../media/ib/economics/images/textbook/market-theory/supply/supply-notes.pdf.html" target="_blank" title="Revision"><img class="ico" src="../../../thinkib/icons/revision.png"> Revision notes</a></p></div><div class="blueBg"><h3>Defining supply</h3><p>Supply is the willingness and ability of producers to offer a given quantity of a good for sale at a point in time and at a given price. Supply refers to the resource element of the central economic problem of scarcity. The factors of production (land, labour, capital and enterprise) are used to produce goods and services on the supply side of a market.</p><hr class="hidden"><p><img alt="" height="220" src="../../../ib/economics/images/textbook/market-theory/shoe-shop-supply.png" style="float: left;" title="https://www.office.co.uk/blog/new-store/the-new-london-flagship-store/" width="299"></p><p>For example, supply in the sportswear market is made up of the workers who work for businesses like Nike and Adidas, the capital used to manufacture their sportswear products, the raw materials used in production, and the entrepreneurs who organise and manage the companies in the sportswear market.</p><hr class="hidden"><h3><strong>The law of supply – how price affects quantity supplied</strong></h3><p>The law of supply states that an increase in price leads to an increase in the quantity supplied of a good or service, and a decrease in price leads to a fall in quantity supplied. There is a positive relationship between price and quantity supplied.</p><h4><strong>The supply curve</strong><img alt="" height="273" src="../../../ib/economics/images/textbook/market-theory/picture-9.png" style="float: right;" width="424"></h4><p>The positive relationship between price and quantity supplied is illustrated by the supply curve. Diagram 2.6 shows that a rise in the price of soft drinks from 60c to 80c leads to a rise in quantity supplied from 2 million to 3 million units. As the price changes, there is a movement along the supply curve.</p><hr class="hidden"> <h4><strong>Profits and supply</strong></h4><p>The law of supply can be explained by how a rise in price can lead to an increase in producer profits. The increase in profit from a higher price gives producers a greater incentive to increase supply. The higher price also means a higher unit cost of production can be covered by the price. For example, if the unit cost of producing an extra unit of a soft drink increases as a firm produces more, the higher price can cover this extra cost and make the increase in production profitable.</p><div class="dottedBox"><p>*The law of supply can be explained using the law of diminishing returns and how this affects a firm's costs of production. This explanation is covered in detail in Unit 2.11(1).</p><p><a href="../35118/unit-2111-market-power-theory-of-production-and-costs-hl.html" title="Textbook » Chapter 2 » Unit 2.11(1) Market power - Theory of production and costs (HL)">Unit 2.11(1) Market power - Theory of production and costs (HL)</a> </p></div><hr class="hidden"></div><div class="pinkBg"><div class="panel" style="box-shadow: rgba(0, 0, 19, 0.3) 0px 10px 30px -15px; border-color: rgb(39, 45, 105);"><div class="panel-heading" style="background-color: rgb(39, 45, 105);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><h4>Inquiry case example - The rise in popularity of exotic fruit</h4></div></div><div class="panel-footer" style="background-color: rgba(39, 45, 105, 0.1);"><div><p>text</p></div></div></div><p><img alt="" height="251" src="../../../ib/economics/images/textbook/inquiry-case-example-questions/pomegranate.jpg" style="float: left;" width="328">The price of pomegranates is on the rise globally driven by rising demand from consumers who are looking to buy exotic fruits beyond everyday choices. Pomegranates are used in salads, cooking and as a drink and the fruit is considered to have health benefits. The last 5 years have seen prices rise at an average rate of 3.2%. The growers who produce pomegranates in countries like India, Iran and Turkey are certainly benefiting from rising prices that increase their profits and enable them to expand production.</p><p><a href="../../../media/ib/economics/images/textbook/market-theory/supply/pomegranates.pdf.html" target="_blank" title="Questions"><img class="ico" src="../../../thinkib/icons/question.png"> Worksheet questions</a></p><hr class="hidden"><h5><strong>Questions</strong></h5><p><strong>a. Define the term supply. [2]</strong></p><section class="tib-hiddenbox"><p>Supply is the willingness and ability of producers to offer a given quantity of a good for sale at a point in time and at a given price.</p></section><p><strong>b. Outline how capital and labour are used to supply pomegranates. [4]</strong></p><section class="tib-hiddenbox"><p>To produce pomegranates growers will use capital such as harvesting machinery and vehicles such as tractors. The labour used in the production of pomegranates is the workers who plant, manage and pick the fruit.</p></section><p><strong>c. Using a diagram explain why a rise in the price of pomegranates leads to an increase in quantity supplied. [4]</strong></p><hr class="hidden"><section class="tib-hiddenbox"><p><img alt="" src="../../../ib/economics/images/textbook/inquiry-case-example-questions/pomegranate-supply.jpg" style="float: right; width: 400px; height: 268px;" title="https://www.thedailymeal.com/eat/pomegranate-most-seductive-fruit-them-all">As the price of pomegranates increases producers can earn more profit and cover higher costs of production which increases the quantity supplied of pomegranates.</p></section><h5><strong>Investigation</strong></h5><p><strong>Research into another exotic fruit that is experiencing a price rise and how this is affecting supply. </strong></p></div><div class="blueBg"><h4><strong>Non-price determinants of supply</strong></h4><h5><strong>Cost of factors </strong><strong>of production</strong></h5><p><img alt="" height="298" src="../../../ib/economics/images/textbook/market-theory/supply-of-coffee.jpg" style="float: left;" width="436">Changes in the costs of the factors of production used to produce a good or service will affect supply and cause the supply curve to shift. If, for example, the cost of coffee beans used by coffee shops increases, then the supply of coffee from coffee shops will fall and the supply curve will shift to the left. This is shown in diagram 2.7 where the supply curve for coffee sold in coffee shops shifts from S1 to S2 and the price of coffee and the quantity of coffee traded falls.</p><hr class="hidden"><p>A decrease in the cost of factors of production would lead to an increase in supply, and the supply curve would shift to the right. For example, a reduction in the minimum wage would reduce the cost of labour for businesses like coffee shops and would increase supply.</p></div><div><div class="pinkBg"><div class="panel panel-has-footer" style="box-shadow: rgba(17, 34, 51, 0.3) 0px 10px 30px -15px; border-color: rgb(39, 45, 105);"><div class="panel-heading" style="background-color: rgb(39, 45, 105);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><h4><strong>Inquiry case example - Rising wage costs for German businesses</strong></h4></div></div><p><img alt="" src="../../../ib/economics/images/textbook/market-theory/starbucks.png" style="width: 400px; height: 274px; float: right;" title="https://www.fastcompany.com/40521167/starbucks-offers-all-u-s-hourly-workers-paid-leave-benefits-this-year"></p></div><div><p>An €8.50 per hour minimum wage was introduced in Germany two years ago. In an attempt to improve the living standards of the lowest-paid workers the German government has increased the earnings of people who work in industries such as hospitality, retail and social care. Increasing the minimum wage raises the lowest wage individuals can earn per hour but it has increased labour costs for certain businesses. Many firms are now bracing themselves for a further increase in costs as the German government looks to increase the minimum wage to €12 per hour.</p><p><a href="../../../media/ib/economics/images/textbook/market-theory/supply/coffee-shops.pdf.html" target="_blank" title="Questions"><img class="ico" src="../../../thinkib/icons/question.png"> Worksheet questions</a></p><h5><strong>Questions</strong></h5><p><strong>a. Outline two types of costs that could affect the supply of coffee shops. [4]</strong></p><section class="tib-hiddenbox"><ul><li>The cost of materials to make coffee such as coffee beans, milk and sugar could affect the supply of coffee and other drinks by coffee shops.</li><li>Property charges such as rent and property tax could affect the supply of food and drink sold by coffee shops.</li><li>The wages paid to coffee shop employees could affect the supply of food and drink sold by coffee shops.</li></ul></section><p><strong>b. Using a diagram, illustrate the effect of a rise in the minimum wage in Germany on the supply curve of German coffee shops. [4]</strong></p><section class="tib-hiddenbox"><p><img alt="" src="../../../ib/economics/images/textbook/inquiry-case-example-questions/cost-of-coffee.jpg" style="float: right; width: 400px; height: 272px;">As the minimum wage in Germany rises, the cost of producing coffee and other food and drink in coffee shops increases and this cause the supply curve of coffee shops to shift to the left from S to S1. This causes the prices charged by coffee shops to increase from $2.30 to $2.70 and the quantity of output sold to fall from 800,000 units to 600,000 units.</p></section><h5><strong>Investigation</strong></h5><p><strong>Investigate other service sector firms in the place where you live that might be affected by changes in minimum wages.</strong></p></div></div><div class="blueBg"><h5><strong>Competitive supply</strong></h5><p>Many firms produce a range of goods, and a change in the price of one good a firms sells may affect the quantity supplied of other products they sell. An agricultural producer of soft fruit, for example, might sell strawberries and raspberries. If the price of strawberries rises, the farm may allocate more land to strawberries, which means less land is allocated to raspberries. As a result of this, the supply of raspberries will fall, and the supply curve for raspberries will shift to the left. If the price of strawberries falls the producers might reduce their supply of strawberries and allocate more land to raspberries which increases the supply of raspberries. </p><h5><strong>Joint supply</strong></h5><p>When a production process yields two or more goods at the same time this is called joint supply. This means increasing the supply of one good directly leads to an increase in the supply of a good it is in joint supply with. Joint supply often occurs in the agricultural industry with examples such as beef and leather, wheat and straw, and mutton and wool. Another example of joint supply occurs in the production of oil. The refinery process for oil also produces the chemical bases for plastics. This means an increase in the supply of oil will lead to an increase in the supply of plastic.</p></div><div class="pinkBg"><div class="panel panel-indigo"><div class="panel-heading"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><h4>Inquiry case example - Fertilizer and C02 in joint supply</h4></div></div></div><p><img alt="" src="../../../ib/economics/images/textbook/market-theory/supply/fizzy-pic.jpg" style="float: right; width: 300px; height: 234px;">The UK has been suffering from a shortage of CO₂ over the last three years. CF Industries supplies 60% of the UK’s C02 as a by-product of producing fertilizers. CF announced it would be closing two of its fertilizer production plants in because of a surge in energy prices which had made their operation unprofitable. Closing down the production of fertilizer means less C02 is produced because they are in joint supply. The supply of C02 is critical for things such as hospital operations, keeping food fresh during transport, and even the production of fizzy drinks.</p><p><a href="../../../media/ib/economics/images/textbook/market-theory/supply/joint-supply-question.pdf.html" target="_blank" title="Questions"><img class="ico" src="../../../thinkib/icons/question.png"> Worksheet questions</a></p><p><strong>Questions</strong></p><hr class="hidden"><p><strong>a. Outline joint supply in the market for C02. [2]</strong></p><section class="tib-hiddenbox"><p>Joint supply is where the production process yields two or more goods at the same time. In this case, the supply of fertilizer and C02 is produced at the same time. When the supply of fertilizer falls the supply of C02 falls.</p></section><p><strong>b. Explain why CF industries are reducing their supply of C02. [4] </strong></p><section class="tib-hiddenbox"><p>CF Industries is reducing its supply of C02 because an increase in energy costs is reducing the profits it is making from the production of fertilizer. As CF industries’ profits fall it may lead to losses and cause it to shut down the two production plants.</p></section><p><strong>c. Using a diagram, explain how a fall in the supply of C02 might affect the supply of fizzy drinks. [4]</strong></p><section class="tib-hiddenbox"><p><img alt="" src="../../../ib/economics/images/textbook/market-theory/supply/fizzy-drinks.jpg" style="float: right; width: 400px; height: 271px;">As the supply of C02 falls this will lead to an increase in its cost in the market for fizzy drinks. As the cost of C02 rises this causes the supply of fizzy drinks to fall and the supply curve for fizzy drinks shifts from S to S1 leading to a rise in price from P to P1 and a fall in output from Q to Q1.</p><hr class="hidden"></section><p><strong>Investigation</strong></p><p>Research into another market where two goods are in joint supply.</p></div><div class="blueBg"><h5><strong>Technology<img alt="" height="284" src="../../../ib/economics/images/textbook/market-theory/increasing-supply.jpg" style="float: right;" width="414"></strong></h5><p>As technology in the production process advances the production capacity of firms increases. As a result, businesses supply more to the market. This has been the case with manufactured goods like computers, mobile phones, televisions and cars. You can also see the impact of advances in technology on supply in service industries such as online music, games and film streaming services. </p><hr class="hidden"><p>Diagram 2.8 shows an increase in the supply of mobile phones as a result of improvements in technology in the mobile phone market. As the supply of mobile phones increases it leads to a fall in their price and a rise in the quantity traded.</p><hr class="hidden"><h5><strong>Supply-side shocks </strong></h5><div class="polaroid-left"><img src="../../../ib/economics/images/textbook/market-theory/tsunami.png" style="margin:8px 0"><div class="caption">The destruction caused by a Tsunami that hit Japan in 2011</div></div><p>A country or region may experience supply-side shocks which lead to a decrease in supply. This is particularly true in agricultural markets where the weather can impact on growing conditions. Cold conditions in coffee-growing areas can dramatically reduce the output of coffee producers and the supply of coffee. The Tsunami in Japan in 2011 led to a significant fall in the production of cars as many manufacturers were forced to reduce output for a period of time.</p><hr class="hidden"><h5><strong>Price expectations</strong></h5><p>Producer supply decisions can be affected by their expectations of what may happen to the price of a good or service in the future. If, for example, a construction company believes that the price of a building will be worth 20 per cent more in two years, they may wait for two years before they put the building onto the market which reduces supply. If producers expect prices to fall, they may increase supply in the present. For example, housebuilders might increase the supply of housing in the present if they expect house prices to fall next year.</p><h5><strong>Number of producers in the market</strong></h5><p>As more firms enter a market, the supply in the market increases and as firms leave a market, the supply falls. The growth of online shopping has led to a rise in the number of delivery businesses. As more delivery firms enter the market, the supply of this service increases.</p><h5>Taxes</h5><p>When indirect taxes are levied on goods and services supply decreases as a tax adds to a firm's costs of production. For example, taxes on cigarettes, alcohol and petrol cause the supply curve of these goods to shift upwards leading to an increase in price and a decrease in market output. *The impact of taxation on supply is covered in more detail in Unit 2.7(1).</p><h5><strong>Subsidies</strong></h5><p>A subsidy on a good or service leads to an increase in supply as the cost of production decreases. For example, subsidies on agricultural goods and renewable energy cause the supply curve to shift downwards leading to a decrease in price and an increase in market output. *The impact of subsidies on supply is covered in more detail in Unit 2.7(1).</p><div class="dottedBox"><p>The impact of tax and subsidies on supply are covered in Unit 2.7(1)</p><p><a href="../33388/unit-271-governments-in-markets-tax-and-subsidy-.html" title="Textbook » Chapter 2 » Unit 2.7(1): Governments in markets - tax and subsidy ">Unit 2.7(1): Governments in markets - tax and subsidy </a> </p></div></div> <div><div class="pinkBg"><div class="panel panel-has-footer" style="box-shadow: rgba(17, 34, 51, 0.3) 0px 10px 30px -15px; border-color: rgb(39, 45, 105);"><div class="panel-heading" style="background-color: rgb(39, 45, 105);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><h4><strong>Inquiry case example - The supply of EVs</strong></h4></div></div></div><p><strong><img alt="" height="212" src="../../../ib/economics/images/textbook/market-theory/picture12.png" style="float: right;" width="343"></strong>In Europe and North America, car makers are gearing up to make 2022 the year of the electric car. The automotive market is going to see a wave of new models launched by leading manufacturers such as BMW, General Motors, Honda and Fiat. The number of electric vehicle (EV) models available to buyers will jump from fewer than 100 to 330 by 2025.</p><p>Electric vehicles have also become cheaper. Industry data shows that the prices of EVs have fallen from an average price of $64,300 to $55,600 in 2021. A lot of this is down to Tesla’s success in selling their Model 3, which has a starting retail price of $39,000. Tesla now dominates the US EV market with nearly 80% of EV sales.</p><p>Changes on the supply side of the electric vehicle market are crucial to its growth. The cost of batteries, a key component in EVs, are becoming cheaper and the number of EV producers in the market has increased significantly. Many countries are also offering subsidies to encourage people to buy them. These factors have increased the supply of electric vehicles and are a key factor behind the growth of the market.</p><p><a href="../../../media/ib/economics/images/textbook/market-theory/supply/evs.pdf.html" target="_blank" title="Questions"><img class="ico" src="../../../thinkib/icons/question.png"> Worksheet questions</a> </p><h5><strong>Question</strong></h5><p><strong>Explain the effect the falling costs of batteries and improvement in technology in the production of electric cars will have on the supply, market price and output of electric vehicles. [10]</strong></p><section class="tib-hiddenbox"><p>Answers might include:</p><p>Definitions of supply, market price and market output.<img alt="" src="../../../ib/economics/images/textbook/inquiry-case-example-questions/electric-vehicles-supply.jpg" style="float: right; width: 400px; height: 269px;"></p><p>A diagram to show the effect of the falling costs of batteries and improvement in technology on supply, market price and output of electric vehicles (EVs).</p><p>An explanation that as the cost of batteries used in the production of EVs to falls, this causes the cost of producing electric vehicles to decrease. Improvement in technology used in the production of EVs also causes their costs to fall.</p><hr class="hidden"><p>An explanation that the decrease in the production costs for lower costs batteries and improvements in production line technology of EVs leads to an increase in supply from S to S1 which causes the market price to fall from $40,000 to $30,000 and output to increase from 10 million to 16 million units. </p></section><h5><strong>Investigation</strong></h5><p><strong>Research into another market where technology is having a significant impact on supply.</strong></p></div><div class="panel panel-has-footer" style="box-shadow: rgba(51, 0, 0, 0.3) 0px 10px 30px -15px; border-color: rgb(124, 7, 21);"><div class="panel-heading" style="background-color: rgb(124, 7, 21);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><p>Thinking about a key concept - interdependence</p></div></div><div class="panel-body"><div><p>The fashion retailer H&M has one of the largest supply chains of any company in the world. A supply chain is a network that exists between a business and its suppliers to produce and distribute its goods to the final consumer. To improve efficiency in their supply chain H&M invested in analytics, AI, cloud computing, radio-frequency identification (RFID) and 3D printing. Think about the interdependence that exists between H&M and its suppliers when it is selling fashion products to its customers.</p></div></div></div><div id="_com_1"><div class="panel panel-has-footer" style="box-shadow: rgba(17, 34, 51, 0.3) 0px 10px 30px -15px; border-color: rgb(39, 45, 105);"><div class="panel-heading" style="background-color: rgb(39, 45, 105);"><a class="expander pull-right" href="#"><span class="fa fa-plus"></span></a><div><p>Time to test yourself</p></div></div></div><div class="tib-quiz" data-quiz-id="978" data-structure="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" data-score-answers="6d4a526a457a48584f763758344a7649472f76324c53614b78524c393439595570496d5a5971374b38686f3d"><div class="exercise"><div class="q-question"><p>Which of the following is the most accurate definition of supply?</p></div><div class="q-answer"><p><label class="radio" data-answer="eb364f666db1c229afeaf33bec6f6222"><input type="radio"><span>Willingness and ability of consumers to buy a given quantity of a good for sale at a point in time and at a given price</span></label></p><p><label class="radio" data-answer="59f9923a02cfc06ba54da36d7fd1b620"><input type="radio"><span>The output producers produce in a given time period</span></label></p><p><label class="radio" data-answer="d691ba7f117072e010a3ab106432c816"><input type="radio"><span>Willingness and ability of producers to offer a given quantity of a good for sale at a point in time and at a given price</span></label></p><p><label class="radio" data-answer="839fc52e70601d6b8ba27c57f80b3ac4"><input type="radio"><span>As price increases quantity supplied increases</span></label></p></div><div class="q-explanation"><p> </p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>When the price of a good increases, which of the following is the most likely explanation of why quantity supplied increases?</p></div><div class="q-answer"><p><label class="radio" data-answer="e04c1d3581c14be949418435bd1e98f0"><input type="radio"><span> Rise in price reduces the costs of producers</span></label></p><p><label class="radio" data-answer="caa8dbbfedb9857014638908932143e0"><input type="radio"><span>Higher price increases the profits of producers</span></label></p><p><label class="radio" data-answer="348d0d6085a858c9bafc933dcc29c697"><input type="radio"><span>Rise in price makes some goods more attractive to consumers</span></label></p><p><label class="radio" data-answer="2dca7a5fad2171563570e0f5dfab2bee"><input type="radio"><span>Price increase reduces the quantity demanded for the good</span></label></p></div><div class="q-explanation"><p>A higher profit is an incentive for producers to increase output.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><div class="exercise"><div class="q-question"><p>Which of the following factors is the most likely to cause S1 to shift to S2 in an agricultural market?<img alt="" height="171" src="../../../ib/economics/images/textbook/mc-questions/supply-falling.jpg" style="float: right;" width="282"> </p></div><div class="q-answer"><p><label class="radio" data-answer="a7cd71a44c47327d1c053edffb94737d"><input type="radio"><span>Fall in the minimum wage</span></label></p><p><label class="radio" data-answer="c2d4b5583b45d28876e39a8b18c40f74"><input type="radio"><span>Growing conditions are poor in the market because of the weather</span></label></p><p><label class="radio" data-answer="be2ab074e90d57e978ed4f5abe2916e6"><input type="radio"><span>Introduction of more technologically advanced farming equipment</span></label></p><p><label class="radio" data-answer="39eeacc93680022299183c5933a7fbd2"><input type="radio"><span>Fall in the cost of fertilizer</span></label></p></div><div class="q-explanation">If growing conditions are poor, agricultural output will fall and supply will shift from S1 to S2.</div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>4. If a housebuilder expects prices to fall next year, what is the most likely supply decision the housebuilder will make?</p></div><div class="q-answer"><p><label class="radio" data-answer="2df659dc77ba3b6d8f1740bfc4c4f7cb"><input type="radio"><span>Decrease the supply of new housing in the present</span></label></p><p><label class="radio" data-answer="8052e8ef1d3d3fe78e643d6ff972376f"><input type="radio"><span>Wait until next year to make a supply decision</span></label></p><p><label class="radio" data-answer="11342dc40013e7ff1b2bc1502e3e9d48"><input type="radio"><span>Keep their output the same</span></label></p><p><label class="radio" data-answer="c1062d7d4d27796040fd3d05762bc5ab"><input type="radio"><span>Increase the supply of new housing in the present</span></label></p></div><div class="q-explanation"><p>A house building firm will reduce supply in the present and wait until next year to supply the market at a higher price.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>5. The law of supply states that:</p></div><div class="q-answer"><p><label class="radio" data-answer="f5e8cc7eaff03e3e0164b699002b3a98"><input type="radio"><span>Demand creates its own supply</span></label></p><p><label class="radio" data-answer="505c7e209e6bebcdcc7117182066c3ec"><input type="radio"><span>Quantity supplied increases as prices increases</span></label></p><p><label class="radio" data-answer="4e1a09e8f164eb5a85d1e5ed9a36b3fe"><input type="radio"><span>Price falls as supply increases</span></label></p><p><label class="radio" data-answer="257c1d189faa6a3ad796c310855ab3aa"><input type="radio"><span>Quantity supplied falls as price increases</span></label></p></div><div class="q-explanation"><p> </p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>6. Which of the following is least likely to lead to an increase in the supply of computer games?</p></div><div class="q-answer"><p><label class="radio" data-answer="52209989981f0f8ab8bbba6b68e27ca3"><input type="radio"><span>Increase in the wages of game designers</span></label></p><p><label class="radio" data-answer="30716662a26dec0c997c12e2b5606a30"><input type="radio"><span>Improvement in game design technology</span></label></p><p><label class="radio" data-answer="23fcbe96671380ba51a04badd575e835"><input type="radio"><span>Decrease in the cost of microchips</span></label></p><p><label class="radio" data-answer="37d4c81980a962a0931cd2fe5fa0e08f"><input type="radio"><span>Increase in the number of firms in the market</span></label></p></div><div class="q-explanation"><p>As wages increase the cost of producing computer games increases and supply decreases.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>Which of the following is true about the supply of oranges?</p></div><div class="q-answer"><p><label class="radio" data-answer="4ef3195c5b3d97a2f59fde1c1a1ec7ed"><input type="radio"><span> Anything supplied by orange producers will be bought by consumers</span></label></p><p><label class="radio" data-answer="103b6c4a316d0142f272124ab6eb87ca"><input type="radio"><span> At low prices, orange producers cannot make a profit and will stop producing</span></label></p><p><label class="radio" data-answer="de26ffb814376ab0ae0820a94b5adc4d"><input type="radio"><span> The higher the price of oranges, the lower the quantity supplied of oranges</span></label></p><p><label class="radio" data-answer="1d3ddc44c32603565a98cb36f6616b8a"><input type="radio"><span> The higher the price of oranges, the higher the quantity supplied of oranges</span></label></p></div><div class="q-explanation"><p>As price increases quantity supplied increases because of the law of supply.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>An improvement in technology in the electric car market is most likely to lead to which of the following?</p></div><div class="q-answer"><p><label class="radio" data-answer="5dc3293b59f21efac79a2898b07aa18e"><input type="radio"><span> Market price and output remain the same</span></label></p><p><label class="radio" data-answer="bd88b68f9456b506d2b8a47381f597f5"><input type="radio"><span> Market price and market output both increase</span></label></p><p><label class="radio" data-answer="842aa931c586b3f676915712e2a14895"><input type="radio"><span> Market price and market output both fall</span></label></p><p><label class="radio" data-answer="75b915dc334069501fe8933eeb54dda2"><input type="radio"><span> Market price falls and market output increases</span></label></p></div><div class="q-explanation"><p>As technology advances the supply curve of electric cars increases and this cause the market price to fall and output to increase.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>Which of the following is least likely to cause the supply of gold to increase?</p></div><div class="q-answer"><p><label class="radio" data-answer="6011adcc16e4a26e92bc52c46e5ac83b"><input type="radio"><span> The opening of new gold mines</span></label></p><p><label class="radio" data-answer="feb27c0fc5cab8e7a4ba4639dfc73487"><input type="radio"><span> Development of new mining technology</span></label></p><p><label class="radio" data-answer="a80f7ffcb648a425e15cf9b56af7032a"><input type="radio"><span> A fall in the mining costs</span></label></p><p><label class="radio" data-answer="de08f3262bdfa03f5796f084962b73d9"><input type="radio"><span> A rise in the price of gold</span></label></p></div><div class="q-explanation"><p>A rise in price causes the quantity supplied to increase.</p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="exercise"><div class="q-question"><p>Two products are in joint supply when:</p></div><div class="q-answer"><p><label class="radio" data-answer="8b79e5cf856efb1ee5b73b2b6dd7bd35"><input type="radio"><span> An increase in the output of one product leads to an increase in the output of the other product</span></label></p><p><label class="radio" data-answer="83b17b8b7969cc6f3804173f6b06f1de"><input type="radio"><span> An increase in the output of one product leads to a decrease in the output of the other product</span></label></p><p><label class="radio" data-answer="7275f53b3e09d452af196e56c40f2724"><input type="radio"><span> An increase in demand for one product leads to an increase in demand for the other product</span></label></p><p><label class="radio" data-answer="578c0bf153e31c621a000800c97c114b"><input type="radio"><span> An increase in the demand for one good leads to a fall in demand for another good</span></label></p></div><div class="q-explanation"><p> </p></div><div class="actions"><span class="score" data-score="0"></span><button class="btn check"><i class="fa fa-check-square-o"></i> Check</button></div></div><p> </p><div class="totals"><span class="score">Total Score: </span><button class="btn btn-success check-total"><i class="fa fa-check-square-o"></i> Check</button></div></div><hr></div></div></div><script>document.querySelectorAll('.tib-teacher-only').forEach(e => e.remove());</script>
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